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Is "tell web sites do not track" the same as cookies?

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One of your options is to disable web sites to track your movements ad provide ads. Is this the same as cookies? If I activate tell websites to not track, will that disable all cookies, and thus restrict surfing?

One of your options is to disable web sites to track your movements ad provide ads. Is this the same as cookies? If I activate tell websites to not track, will that disable all cookies, and thus restrict surfing?

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Selecting the "do-not-track" setting will only make Firefox send a specific HTTP header (DNT=1) to a web server.
It is up to the server to do something with that request.

  • Tools > Options > Privacy > Tracking: "Tell web sites I do not want to be tracked" (bug 628198)